import { defineConfig } from 'vite';
import react from '@vitejs/plugin-react';
import { fileURLToPath, URL } from 'node:url';

// The app is shared source with the React Native app: `frameUtils.ts` and
// `skiaImage.ts` import `@shopify/react-native-skia`, and the alias below swaps
// that for the CanvasKit adapter. Same trick the W0 spike used, now for the app.
export default defineConfig({
  plugins: [react()],
  resolve: {
    // onnxruntime-web ships two flavours of its default entry: one with the
    // runtime's wasm inlined as a build asset, one that fetches it at runtime.
    // This picks the second, so the 28MB binary is served from /wasm/ort/ (see
    // scripts/copy-wasm.mjs) instead of being emitted twice into dist.
    conditions: ['onnxruntime-web-use-extern-wasm'],
    alias: {
      '@shopify/react-native-skia': fileURLToPath(new URL('./src/engine/skiaShim.ts', import.meta.url)),
    },
  },
  build: {
    target: 'es2022',
    // canvaskit-wasm's glue JS is ~2.5MB on its own; the wasm is fetched at
    // runtime from /wasm/, never bundled.
    chunkSizeWarningLimit: 9000,
  },
  server: {
    port: 5173,
    proxy: { '/api': process.env.API_ORIGIN ?? 'http://localhost:3000' },
  },
});